<?php
/*
 * MiniMe - a minimalistic OStatus complient microblogging tool
 * Copyright (C) 2010, Tuomas Koski - koski.tuomas@gmail.com
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * @author     Tuomas Koski <koski.tuomas@gmail.com>
 * @copyright  Tuomas Koski
 * @license    http://www.gnu.org/licenses/lgpl.txt
 */
class Minime_Pubsubhubbub_MinimeSubscriber {
    
    private $subscriberID;
    
    const ELEMENT_SUBSCRIBER = "subscriber";
    
    public function __construct($subscriber) {
        $this->setSubscriber($subscriber);
    }
    
    private function setSubscriber($subscriber) {
        if(empty($subscriber)) {
            throw new Exception("Subscriber cannot be set empty.");
        }
        //$this->subscriberID = htmlentities($subscriber, ENT_QUOTES, "UTF-8", false);
        $this->subscriberID = htmlspecialchars($subscriber, ENT_QUOTES, "UTF-8", false);
    }
    
    public function getID() {
        return $this->subscriberID;
    }
    
    /**
     * @return DOMElement
     */
    public function asDomElement(DOMDocument $dom) {
        return $dom->createElement(self::ELEMENT_SUBSCRIBER, $this->subscriberID);
    }
    
    /**
     * @param DOMElement $elm
     * @return Minime_Pubsubhubbub_MinimeSubscriber
     */
    public static function buildFromDOMElement(DOMElement $elm) {
        return new Minime_Pubsubhubbub_MinimeSubscriber($elm->nodeValue);
    }
}